DIY Journal: Low-tech iPhone amplifier is a sound idea

4:16 PM,
Nov. 1, 2012

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Written by

Shelly Miller Leer

Go get your scissors right now, because you're going to want to save this column for a Thanksgiving afternoon demonstration that will make you the most popular guest (or host) of the day.

It's guaranteed to impress everyone. Even with eye-rolling teenagers, you'll gain serious "cred" after you show them how easy it is to convert a Pringles can into an iPhone amplifier, MacGyver style.

My recommendation would be to pull out this little bit of magic when the conversation begins to lag. If you're willing to go one step further, why not pack up an inconspicuous bag of materials so that interested ...